![Erythropoietin (EPO, epoetin) protein hormone. Stimulates production of red blood cells. Used as drug and in sports doping Stock Photo - Alamy Erythropoietin (EPO, epoetin) protein hormone. Stimulates production of red blood cells. Used as drug and in sports doping Stock Photo - Alamy](https://c8.alamy.com/comp/DGXTGX/erythropoietin-epo-epoetin-protein-hormone-stimulates-production-of-DGXTGX.jpg)
Erythropoietin (EPO, epoetin) protein hormone. Stimulates production of red blood cells. Used as drug and in sports doping Stock Photo - Alamy
![Peter Bol's lawyers claim 'blunder of epic proportions' after independent labs find no EPO | Drugs in sport | The Guardian Peter Bol's lawyers claim 'blunder of epic proportions' after independent labs find no EPO | Drugs in sport | The Guardian](https://i.guim.co.uk/img/media/e78f9a36b294dc752850ecf2bc663cb8b94d7292/1862_0_2711_1627/master/2711.jpg?width=1200&quality=85&auto=format&fit=max&s=2c680a7f6f654a591dfc229dd066b95e)
Peter Bol's lawyers claim 'blunder of epic proportions' after independent labs find no EPO | Drugs in sport | The Guardian
![Lance Armstrong case: The different drugs taken and how they were used | Lance Armstrong | The Guardian Lance Armstrong case: The different drugs taken and how they were used | Lance Armstrong | The Guardian](https://i.guim.co.uk/img/static/sys-images/Sport/Pix/pictures/2012/10/11/1349978924060/EPO-syringes-similar-to-t-010.jpg?width=465&dpr=1&s=none)